Question

A bag of potatoes weighs 9.42 pounds on a weighing scale. Which of the significant digits in the scale reading is the least reliable? Explain your answer.

Answer 1

I think it's the two from 9.42 since we don't know if it was rounded up or down

Answer 2

The 2 because we don't know if it is exactly two or if was was rounded up/ down to 2.